Keskmine GPS koordinaadid postiindeks 20550: 38.893, -77.015
videod linnad:
>> Washington 20550, District of Columbia, District of Columbia, GPS koordinaadid: 38.8933,-77.0146
videod linnad:
>> Washington 20550, District of Columbia, District of Columbia, GPS koordinaadid: 38.8933,-77.0146